Organization for Economic Cooperation and Development. Steering Committee for Road Research. (1972). Road research publications, 1968-1972: Construction, safety, traffic. Organisation for Economic Co-operation and Development.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Organization for Economic Cooperation and Development. Steering Committee for Road Research. Road Research Publications, 1968-1972: Construction, Safety, Traffic. [Paris]: Organisation for Economic Co-operation and Development, 1972.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Organization for Economic Cooperation and Development. Steering Committee for Road Research. Road Research Publications, 1968-1972: Construction, Safety, Traffic. Organisation for Economic Co-operation and Development, 1972.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.